Incidental Mutation 'R7707:Ap3b2'
ID 594347
Institutional Source Beutler Lab
Gene Symbol Ap3b2
Ensembl Gene ENSMUSG00000062444
Gene Name adaptor-related protein complex 3, beta 2 subunit
Synonyms Naptb, beta3B
MMRRC Submission 067893-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.105) question?
Stock # R7707 (G1)
Quality Score 225.009
Status Validated
Chromosome 7
Chromosomal Location 81110147-81143673 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to T at 81126530 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Valine to Isoleucine at position 357 (V357I)
Ref Sequence ENSEMBL: ENSMUSP00000080739 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000082090] [ENSMUST00000152355]
AlphaFold Q9JME5
Predicted Effect possibly damaging
Transcript: ENSMUST00000082090
AA Change: V357I

PolyPhen 2 Score 0.595 (Sensitivity: 0.87; Specificity: 0.91)
SMART Domains Protein: ENSMUSP00000080739
Gene: ENSMUSG00000062444
AA Change: V357I

DomainStartEndE-ValueType
Pfam:Adaptin_N 34 590 8.2e-182 PFAM
low complexity region 689 782 N/A INTRINSIC
AP3B1_C 801 947 4.58e-75 SMART
Blast:B2 971 1080 2e-12 BLAST
Predicted Effect probably benign
Transcript: ENSMUST00000152355
AA Change: V357I

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.7%
  • 20x: 99.0%
Validation Efficiency 99% (72/73)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] Adaptor protein complex 3 (AP-3 complex) is a heterotrimeric protein complex involved in the formation of clathrin-coated synaptic vesicles. The protein encoded by this gene represents the beta subunit of the neuron-specific AP-3 complex and was first identified as the target antigen in human paraneoplastic neurologic disorders. The encoded subunit binds clathrin and is phosphorylated by a casein kinase-like protein, which mediates synaptic vesicle coat assembly. Defects in this gene are a cause of early-onset epileptic encephalopathy. [provided by RefSeq, Feb 2017]
PHENOTYPE: Disruption does not alter pigmentation, but causes hyperactivity and tonic-clonic seizures and mice homozygous for a knock-out allele were found to have significantly reduced synaptic zinc levels throughout the brain, with the largest reduction observed in the CA1 stratum oriens. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 75 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
2900026A02Rik T A 5: 113,285,852 (GRCm39) M1L probably benign Het
Ap1s3 T C 1: 79,591,964 (GRCm39) K129E probably benign Het
Aplp1 A T 7: 30,142,523 (GRCm39) C140S probably damaging Het
Arhgef1 G A 7: 24,616,306 (GRCm39) D317N probably damaging Het
Asb4 A G 6: 5,430,968 (GRCm39) H401R probably benign Het
Bpi A T 2: 158,103,093 (GRCm39) E79D probably benign Het
Cant1 C T 11: 118,301,724 (GRCm39) V198M possibly damaging Het
Casp9 C T 4: 141,532,778 (GRCm39) R225C probably benign Het
Ccdc88b C A 19: 6,834,837 (GRCm39) R82L probably benign Het
Cfap251 A T 5: 123,391,950 (GRCm39) E28V probably benign Het
Chrm4 A G 2: 91,757,699 (GRCm39) T36A probably benign Het
Cntln A T 4: 84,802,853 (GRCm39) D51V probably damaging Het
Commd8 A T 5: 72,320,081 (GRCm39) F120Y probably damaging Het
Cpne6 A C 14: 55,753,771 (GRCm39) T410P probably damaging Het
Ctnnb1 A T 9: 120,781,931 (GRCm39) I315F possibly damaging Het
Dnah9 A G 11: 66,009,784 (GRCm39) V701A probably damaging Het
Efcab9 A G 11: 32,472,851 (GRCm39) Y199H possibly damaging Het
Endou T A 15: 97,610,983 (GRCm39) probably null Het
Fhip1a A G 3: 85,583,560 (GRCm39) V412A probably benign Het
Foxc2 C T 8: 121,844,641 (GRCm39) P430S probably benign Het
Gas2l3 T A 10: 89,250,220 (GRCm39) K299N probably damaging Het
Gm10375 G A 14: 43,842,332 (GRCm39) Q133* probably null Het
Gorab T C 1: 163,220,009 (GRCm39) D211G probably damaging Het
Grin3b T A 10: 79,811,735 (GRCm39) S747T possibly damaging Het
Gucd1 C A 10: 75,347,120 (GRCm39) probably benign Het
Gucy2d T C 7: 98,100,876 (GRCm39) F400L possibly damaging Het
Hivep3 G A 4: 119,591,156 (GRCm39) V55M Het
Igsf3 A G 3: 101,367,238 (GRCm39) N1157S probably benign Het
Irak3 A T 10: 119,982,489 (GRCm39) D324E probably damaging Het
Jup G T 11: 100,273,878 (GRCm39) A221D possibly damaging Het
Kctd17 CAGCTGGAGGAGC CAGC 15: 78,321,113 (GRCm39) probably benign Het
Lgr4 A G 2: 109,827,936 (GRCm39) probably null Het
Lrrc34 T C 3: 30,679,041 (GRCm39) D352G probably benign Het
Metrn C A 17: 26,014,384 (GRCm39) A175S probably benign Het
Nr2c1 T A 10: 94,024,027 (GRCm39) S411T probably benign Het
Or4c11 A G 2: 88,695,153 (GRCm39) D68G possibly damaging Het
Or5h22 T A 16: 58,894,634 (GRCm39) I270F possibly damaging Het
Orc3 T A 4: 34,598,691 (GRCm39) K172* probably null Het
Oxnad1 A G 14: 31,823,965 (GRCm39) probably null Het
Pcdh7 A G 5: 57,877,672 (GRCm39) N409S probably damaging Het
Pcdha11 A T 18: 37,144,845 (GRCm39) N312I probably benign Het
Pds5a G T 5: 65,767,476 (GRCm39) P121Q unknown Het
Phc1 A G 6: 122,300,739 (GRCm39) I380T unknown Het
Phldb3 C A 7: 24,326,022 (GRCm39) H535N possibly damaging Het
Proser3 T C 7: 30,239,216 (GRCm39) Q600R probably benign Het
Ptprz1 A G 6: 23,002,295 (GRCm39) M1462V probably benign Het
Pyroxd2 T C 19: 42,726,586 (GRCm39) T243A probably damaging Het
Ralgapa1 C A 12: 55,824,077 (GRCm39) D268Y probably null Het
Rapgef5 A C 12: 117,679,079 (GRCm39) Y419S probably damaging Het
Rbm24 C A 13: 46,582,605 (GRCm39) Q175K possibly damaging Het
Robo4 A T 9: 37,324,418 (GRCm39) D982V probably damaging Het
Sbf2 T C 7: 109,929,920 (GRCm39) probably null Het
Serping1 A T 2: 84,604,043 (GRCm39) probably null Het
Shank1 C T 7: 43,993,725 (GRCm39) S798F unknown Het
Slc15a5 A T 6: 138,056,745 (GRCm39) M57K probably damaging Het
Slc35g1 T A 19: 38,391,571 (GRCm39) C284* probably null Het
Src G A 2: 157,306,578 (GRCm39) D194N probably damaging Het
Srfbp1 A G 18: 52,616,726 (GRCm39) T84A probably damaging Het
Sspo A T 6: 48,438,461 (GRCm39) T1510S probably benign Het
Taar1 A T 10: 23,797,135 (GRCm39) I278F possibly damaging Het
Taf1a T C 1: 183,185,583 (GRCm39) Y281H possibly damaging Het
Thbs3 A T 3: 89,132,207 (GRCm39) Y798F possibly damaging Het
Tnpo1 T C 13: 99,027,295 (GRCm39) T7A probably benign Het
Traf7 A T 17: 24,729,683 (GRCm39) probably null Het
Trbv19 G A 6: 41,155,547 (GRCm39) V9I possibly damaging Het
Trim17 C T 11: 58,856,110 (GRCm39) Q56* probably null Het
Ttn G T 2: 76,732,406 (GRCm39) A4643E unknown Het
Ugt2b36 A G 5: 87,229,367 (GRCm39) probably null Het
Uso1 A G 5: 92,349,795 (GRCm39) *960W probably null Het
Usp2 G T 9: 43,984,757 (GRCm39) probably null Het
Wdr20rt A G 12: 65,272,981 (GRCm39) D148G probably damaging Het
Wif1 T C 10: 120,919,864 (GRCm39) F204L probably damaging Het
Wwp1 T C 4: 19,627,645 (GRCm39) D750G probably benign Het
Zfp1006 A T 8: 129,945,660 (GRCm39) C388* probably null Het
Zmynd12 A T 4: 119,302,063 (GRCm39) D234V probably damaging Het
Other mutations in Ap3b2
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00772:Ap3b2 APN 7 81,121,697 (GRCm39) missense probably damaging 0.98
IGL01695:Ap3b2 APN 7 81,126,687 (GRCm39) splice site probably benign
IGL01876:Ap3b2 APN 7 81,123,602 (GRCm39) splice site probably null
IGL02132:Ap3b2 APN 7 81,110,746 (GRCm39) missense unknown
IGL02227:Ap3b2 APN 7 81,123,152 (GRCm39) missense probably damaging 1.00
IGL02660:Ap3b2 APN 7 81,115,446 (GRCm39) missense probably benign 0.13
R0045:Ap3b2 UTSW 7 81,115,941 (GRCm39) missense possibly damaging 0.82
R0045:Ap3b2 UTSW 7 81,115,941 (GRCm39) missense possibly damaging 0.82
R0142:Ap3b2 UTSW 7 81,122,828 (GRCm39) missense probably damaging 0.96
R0317:Ap3b2 UTSW 7 81,113,429 (GRCm39) splice site probably null
R0568:Ap3b2 UTSW 7 81,114,377 (GRCm39) critical splice donor site probably null
R1035:Ap3b2 UTSW 7 81,113,659 (GRCm39) missense unknown
R1121:Ap3b2 UTSW 7 81,113,943 (GRCm39) missense unknown
R1160:Ap3b2 UTSW 7 81,115,917 (GRCm39) critical splice donor site probably null
R1489:Ap3b2 UTSW 7 81,113,438 (GRCm39) nonsense probably null
R1542:Ap3b2 UTSW 7 81,127,825 (GRCm39) splice site probably null
R1652:Ap3b2 UTSW 7 81,123,147 (GRCm39) missense probably damaging 1.00
R1741:Ap3b2 UTSW 7 81,117,347 (GRCm39) missense possibly damaging 0.95
R1872:Ap3b2 UTSW 7 81,113,898 (GRCm39) missense unknown
R2065:Ap3b2 UTSW 7 81,113,522 (GRCm39) missense unknown
R2353:Ap3b2 UTSW 7 81,123,598 (GRCm39) unclassified probably benign
R2354:Ap3b2 UTSW 7 81,123,598 (GRCm39) unclassified probably benign
R2398:Ap3b2 UTSW 7 81,126,943 (GRCm39) missense probably damaging 0.99
R3421:Ap3b2 UTSW 7 81,123,598 (GRCm39) unclassified probably benign
R3710:Ap3b2 UTSW 7 81,123,598 (GRCm39) unclassified probably benign
R3932:Ap3b2 UTSW 7 81,123,598 (GRCm39) unclassified probably benign
R3933:Ap3b2 UTSW 7 81,123,598 (GRCm39) unclassified probably benign
R4152:Ap3b2 UTSW 7 81,127,765 (GRCm39) missense probably damaging 1.00
R4209:Ap3b2 UTSW 7 81,126,884 (GRCm39) missense probably benign 0.02
R4732:Ap3b2 UTSW 7 81,121,680 (GRCm39) missense probably damaging 1.00
R4733:Ap3b2 UTSW 7 81,121,680 (GRCm39) missense probably damaging 1.00
R4841:Ap3b2 UTSW 7 81,127,678 (GRCm39) missense probably damaging 1.00
R5207:Ap3b2 UTSW 7 81,126,517 (GRCm39) missense possibly damaging 0.48
R5659:Ap3b2 UTSW 7 81,126,500 (GRCm39) missense probably damaging 0.98
R6109:Ap3b2 UTSW 7 81,143,340 (GRCm39) missense possibly damaging 0.55
R6223:Ap3b2 UTSW 7 81,123,210 (GRCm39) nonsense probably null
R6901:Ap3b2 UTSW 7 81,134,660 (GRCm39) critical splice acceptor site probably null
R6981:Ap3b2 UTSW 7 81,127,741 (GRCm39) missense probably damaging 1.00
R7061:Ap3b2 UTSW 7 81,110,757 (GRCm39) missense unknown
R7317:Ap3b2 UTSW 7 81,110,776 (GRCm39) missense unknown
R7501:Ap3b2 UTSW 7 81,123,194 (GRCm39) missense probably damaging 0.99
R7543:Ap3b2 UTSW 7 81,115,894 (GRCm39) splice site probably null
R7643:Ap3b2 UTSW 7 81,126,820 (GRCm39) missense probably benign 0.24
R8111:Ap3b2 UTSW 7 81,113,530 (GRCm39) missense unknown
R8273:Ap3b2 UTSW 7 81,112,990 (GRCm39) missense unknown
R8325:Ap3b2 UTSW 7 81,134,237 (GRCm39) splice site probably null
R8355:Ap3b2 UTSW 7 81,122,851 (GRCm39) missense probably damaging 1.00
R8697:Ap3b2 UTSW 7 81,122,783 (GRCm39) missense possibly damaging 0.91
R8716:Ap3b2 UTSW 7 81,126,901 (GRCm39) missense probably benign 0.03
R8923:Ap3b2 UTSW 7 81,126,931 (GRCm39) missense probably benign 0.08
R9002:Ap3b2 UTSW 7 81,117,192 (GRCm39) missense probably benign 0.02
R9163:Ap3b2 UTSW 7 81,113,546 (GRCm39) missense unknown
R9304:Ap3b2 UTSW 7 81,113,019 (GRCm39) missense unknown
R9321:Ap3b2 UTSW 7 81,114,252 (GRCm39) critical splice acceptor site probably null
R9413:Ap3b2 UTSW 7 81,127,757 (GRCm39) missense possibly damaging 0.45
R9459:Ap3b2 UTSW 7 81,123,651 (GRCm39) missense probably benign 0.16
R9746:Ap3b2 UTSW 7 81,126,092 (GRCm39) missense probably damaging 1.00
X0013:Ap3b2 UTSW 7 81,112,988 (GRCm39) critical splice donor site probably null
X0028:Ap3b2 UTSW 7 81,113,512 (GRCm39) nonsense probably null
Predicted Primers PCR Primer
(F):5'- ATGGCCCCTTCAGGATCTAGAC -3'
(R):5'- TACTTCCACCTAGCGCCTAAGG -3'

Sequencing Primer
(F):5'- TTCAGGATCTAGACCCGGCTC -3'
(R):5'- AGAGGTGGGCGTCATCG -3'
Posted On 2019-11-12